diff --git a/config/cmake/ConfigureChecks.cmake b/config/cmake/ConfigureChecks.cmake
index 07176281fb6..87b20066863 100644
--- a/config/cmake/ConfigureChecks.cmake
+++ b/config/cmake/ConfigureChecks.cmake
@@ -233,6 +233,7 @@ endif ()
 # The provided CMake C macros don't provide a general compile/run function
 # so this one is used.
 #-----------------------------------------------------------------------------
+set (RUN_OUTPUT_PATH_DEFAULT ${CMAKE_BINARY_DIR})
 macro (C_RUN FUNCTION_NAME SOURCE_CODE RETURN_VAR)
     if (CMAKE_VERSION VERSION_GREATER_EQUAL "3.15.0")
       message (VERBOSE "Detecting C ${FUNCTION_NAME}")
@@ -310,7 +311,7 @@ set (PROG_SRC
 )
 
 C_RUN ("maximum decimal precision for C" ${PROG_SRC} PROG_RES)
-file (READ "${CMAKE_BINARY_DIR}/pac_Cconftest.out" PROG_OUTPUT4)
+file (READ "${RUN_OUTPUT_PATH_DEFAULT}/pac_Cconftest.out" PROG_OUTPUT4)
 message (STATUS "Testing maximum decimal precision for C - ${PROG_OUTPUT4}")
 
 # dnl The output from the above program will be: